Home / 1,369,348.56-2,055,885.84-770,732.64

Finding the Fourth Proportional to 1,369,348.56, 2,055,885.84 and 770,732.64

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Solution

The fourth proportional to 1,369,348.56, 2,055,885.84 and 770,732.64 is: 1,157,147.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,348.56 : 2,055,885.84 = 770,732.64 : x
  2. Step 2: Convert to fraction form
    1,369,348.56/2,055,885.84 = 770,732.64/x
  3. Step 3: Cross multiply
    1,369,348.56x = 2,055,885.84 × 770,732.64
  4. Step 4: Simplify right side
    1,369,348.56x = 1,584,538,321,001.82
  5. Step 5: Solve for x
    x = 1,584,538,321,001.82/1,369,348.56
  6. Step 6: Final answer
    x = 1,157,147.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.